FROM alpine:3.12
LABEL Maintainer="Tim de Pater <code@trafex.nl>" \
      Description="Lightweight container with Nginx 1.18 & PHP-FPM 7.3 based on Alpine Linux."
      
# Change repositories
RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories

# Install packages and remove default server definition
RUN apk --no-cache add \
    php7 \
    php7-fpm \
    php7-mysqli \
    php7-pdo_mysql \
    php7-json \
    php7-openssl \
    php7-curl \
    php7-zlib \
    php7-xml \
    php7-phar \
    php7-intl \
    php7-dom \
    php7-xmlreader \
    php7-xmlwriter \
    php7-exif \
    php7-fileinfo \
    php7-sodium \
    php7-gd \
    php7-imagick \
    php7-imap \
    php7-simplexml \
    php7-tokenizer \
    php7-ctype \
    php7-mbstring \
    php7-zip \
    php7-opcache \ 
    php7-session \     
    nginx \
    supervisor \
    pcre \
    curl \
    bash \
    less && \
    rm /etc/nginx/conf.d/default.conf && \
    rm -rf /tmp/* && \
    rm -rf /var/cache/apk/*

# Configure nginx
COPY config/nginx.conf /etc/nginx/nginx.conf

# Configure PHP-FPM
COPY config/fpm-pool.conf /etc/php7/php-fpm.d/www.conf
COPY config/php.ini /etc/php7/conf.d/custom.ini

# Configure supervisord
COPY config/supervisord.conf /etc/supervisor/conf.d/supervisord.conf

# Setup document root
RUN mkdir -p /var/www/html

# Make sure files/folders needed by the processes are accessable when they run under the nobody user
RUN chown -R nobody.nobody /var/www/html && \
  chown -R nobody.nobody /run && \
  chown -R nobody.nobody /var/lib/nginx && \
  chown -R nobody.nobody /var/log/nginx

# Switch to use a non-root user from here on
USER nobody

# Add application
WORKDIR /var/www/html
COPY --chown=nobody src/ /var/www/html/

# Expose the port nginx is reachable on
EXPOSE 8088

# Let supervisord start nginx & php-fpm
CMD ["/usr/bin/supervisord", "-c", "/etc/supervisor/conf.d/supervisord.conf"]

# Configure a healthcheck to validate that everything is up&running
HEALTHCHECK --timeout=10s CMD curl --silent --fail http://127.0.0.1:8088/fpm-ping
